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David J. Castro
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David J. Castro
Life Member - United States Ju-Jitsu Federation (USJJF)
Life Member - USA Trditional Kodokan Judo (USA-TKJ)
Life Member - United States Martial Arts Federation (USMAF)
Member - US Ju-Jitsu Senior Masters Caucus
Member - USJJF & USMAF National Technical Committees
Hawaii - USJJF & USMAF Regional Representative
Inductee - Pioneer of Jujutsu, 2022 USAUMA Hall of Fame
Grandmaster David J. Castro; a 52 year experienced martial arts practitioner, a 42 year jujutsu instructor; a retired U.S. Army Combat Veteran, Chief Warrant Officer and retired a government employee. He became interested in Martial Arts when he was 10 years old, but I was unable to start official training until he was 12 years old. He lived in Bronx, New York on Vyse Avenue. The community lacked martial arts schools. My training started in Manhattan. What caught my interest was when there were three men across the street bullying my neighbors. He observed the whole thing while looking out my window located on the third floor. The three guys became violent and one of my neighbors started defending the rest. He chopped, punched, and kicked. Well, I had never seen that before. As he knocked out one guy with a kick, the other two ran behind a car. He just jumped over the car kicking one in the face and the other in the stomach. In a few moments all three guys were knocked out. Police arrive shortly after and arrested the three guys. He was amazed and was anxious to learn.
As he ventured into the martial arts world from 1976 to 2005, he lacked a social media presence; he slightly improved on this in 2018. It was necessary to refrain from social media to protect his military status as a United States Army Counterintelligence, Counterespionage and Counterterrorism Special Agent and Intelligence Officer. Exposure was controlled and limited to prevent complications. In 2005, the Honbu relocated from Tokyo Japan to Oahu-Hawaii; school name: Japanese Ancient Jukado & Tiger Arts LLC (JAJTA-LLC); system: Matsudaira-Ryu Nihon Jujutsu & Kyokushin-Karate (Okinawan).
MARTIAL ARTS STYLES AND BELT RANKS:
8th Degree – U.S. Martial Arts Association (USMAA) Jujutsu (Certified Examiner)
7th Degree – Matsudaira-ryu Nihon Jujutsu & Kyokushin-Karate (Okinawan)
6th Degree – Judo
5th Degree – Ninjitsu Tiger Claw
4th Degree – Okinawan Goju
2nd Degree - Taekwondo
He did not achieve rank, although studied U.S. Army Combatives; Praying Mantis; Pakua; Dim Mak; Tai Chi; Batto Sword; Budo Tai Jitsu; Jeet Kune Do; Krav Maga; and Black Dragon Fighting Society techniques.
INSTRUCTORS:
Jujutsu: Primary: GM Cho Lin Lo (Senior: GM Mitsuyo Maeda)
Ninjitsu Tiger Claw: Primary: Sifu Lin Chow (Senior: NYPD Commissioner Michael J. Codd)
Judo: Primary: GM Robert Dickey & GM Ronald Hansen (Senior: O’Sensei Philip Porter)
Goju: Primary: GM Wilfredo “Wildcat” Molina; Secondary: GM Joseph Valentine (Senior: GM Gogen Yamaguchi)
Taekwondo: Primary: GM Sonny Mahai (Senior: GM Un Yong Kim)
Contact Info -
David J. Castro
E-Mail: [email protected]
Facebook: https://www.facebook.com/DJCastroDScPhD
Linkin: https://www.linkedin.com/in/dr-david-j-castro-dsc-phd-19298377
Life Member - United States Ju-Jitsu Federation (USJJF)
Life Member - USA Trditional Kodokan Judo (USA-TKJ)
Life Member - United States Martial Arts Federation (USMAF)
Member - US Ju-Jitsu Senior Masters Caucus
Member - USJJF & USMAF National Technical Committees
Hawaii - USJJF & USMAF Regional Representative
Inductee - Pioneer of Jujutsu, 2022 USAUMA Hall of Fame
Grandmaster David J. Castro; a 52 year experienced martial arts practitioner, a 42 year jujutsu instructor; a retired U.S. Army Combat Veteran, Chief Warrant Officer and retired a government employee. He became interested in Martial Arts when he was 10 years old, but I was unable to start official training until he was 12 years old. He lived in Bronx, New York on Vyse Avenue. The community lacked martial arts schools. My training started in Manhattan. What caught my interest was when there were three men across the street bullying my neighbors. He observed the whole thing while looking out my window located on the third floor. The three guys became violent and one of my neighbors started defending the rest. He chopped, punched, and kicked. Well, I had never seen that before. As he knocked out one guy with a kick, the other two ran behind a car. He just jumped over the car kicking one in the face and the other in the stomach. In a few moments all three guys were knocked out. Police arrive shortly after and arrested the three guys. He was amazed and was anxious to learn.
As he ventured into the martial arts world from 1976 to 2005, he lacked a social media presence; he slightly improved on this in 2018. It was necessary to refrain from social media to protect his military status as a United States Army Counterintelligence, Counterespionage and Counterterrorism Special Agent and Intelligence Officer. Exposure was controlled and limited to prevent complications. In 2005, the Honbu relocated from Tokyo Japan to Oahu-Hawaii; school name: Japanese Ancient Jukado & Tiger Arts LLC (JAJTA-LLC); system: Matsudaira-Ryu Nihon Jujutsu & Kyokushin-Karate (Okinawan).
MARTIAL ARTS STYLES AND BELT RANKS:
8th Degree – U.S. Martial Arts Association (USMAA) Jujutsu (Certified Examiner)
7th Degree – Matsudaira-ryu Nihon Jujutsu & Kyokushin-Karate (Okinawan)
6th Degree – Judo
5th Degree – Ninjitsu Tiger Claw
4th Degree – Okinawan Goju
2nd Degree - Taekwondo
He did not achieve rank, although studied U.S. Army Combatives; Praying Mantis; Pakua; Dim Mak; Tai Chi; Batto Sword; Budo Tai Jitsu; Jeet Kune Do; Krav Maga; and Black Dragon Fighting Society techniques.
INSTRUCTORS:
Jujutsu: Primary: GM Cho Lin Lo (Senior: GM Mitsuyo Maeda)
Ninjitsu Tiger Claw: Primary: Sifu Lin Chow (Senior: NYPD Commissioner Michael J. Codd)
Judo: Primary: GM Robert Dickey & GM Ronald Hansen (Senior: O’Sensei Philip Porter)
Goju: Primary: GM Wilfredo “Wildcat” Molina; Secondary: GM Joseph Valentine (Senior: GM Gogen Yamaguchi)
Taekwondo: Primary: GM Sonny Mahai (Senior: GM Un Yong Kim)
Contact Info -
David J. Castro
E-Mail: [email protected]
Facebook: https://www.facebook.com/DJCastroDScPhD
Linkin: https://www.linkedin.com/in/dr-david-j-castro-dsc-phd-19298377
